"Then we're short-handed to-night. You relieve here, Nurse Mainwaring?"

"Yes, madam."

"And Nurse Gay—who should relieve her?"

"Nurse Bradley."

"I'll relieve her," cried Mary; "I'd like to!"

"You need your night's rest as much as most. And there's no napping with trachy—it means watching all the time."

"I shan't nap; I shan't want to. Somebody must lose her night's rest—why not I?"

"I think we can manage without you."

"It'll be a favour to me—I'm thankful for the chance."

"Well, then, you shall halve it with someone. You can take the first half, and——"